NASDAQ:SION | Insider Transactions — Page 5 | Sionna Therapeutics, Inc.

SION Insider Transactions — Page 5

428 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 401–428; provenance stays internal.

Insider profileRoleDateTransactionSharesPrice
COULTER JAMES GTenPercentOwner2025-06-27Purchase60,000.0$15.84
WINKELRIED JONTenPercentOwner2025-06-27Purchase60,000.0$15.84
TPG GP A, LLCTenPercentOwner2025-06-27Purchase60,000.0$15.84
COULTER JAMES GTenPercentOwner2025-02-10Purchase1,125,000.0$18.0
WINKELRIED JONTenPercentOwner2025-02-10Purchase1,125,000.0$18.0
TPG GP A, LLCTenPercentOwner2025-02-10Purchase1,125,000.0$18.0
RA Capital Healthcare Fund LPDirector,TenPercentOwner2025-02-10Purchase102,414.0$18.0
RA CAPITAL MANAGEMENT, L.P.Director,TenPercentOwner2025-02-10Purchase102,414.0$18.0
Kolchinsky PeterDirector,TenPercentOwner2025-02-10Purchase102,414.0$18.0
Shah Rajeev M.Director,TenPercentOwner2025-02-10Purchase102,414.0$18.0
RA Capital Nexus Fund, L.P.Director2025-02-10Purchase102,414.0$18.0
RA Capital Nexus Fund III, L.P.Director2025-02-10Purchase102,414.0$18.0
RA Capital Healthcare Fund LPDirector,TenPercentOwner2025-02-10Purchase1,022,586.0$18.0
RA CAPITAL MANAGEMENT, L.P.Director,TenPercentOwner2025-02-10Purchase1,022,586.0$18.0
Kolchinsky PeterDirector,TenPercentOwner2025-02-10Purchase1,022,586.0$18.0
Shah Rajeev M.Director,TenPercentOwner2025-02-10Purchase1,022,586.0$18.0
RA Capital Nexus Fund, L.P.Director2025-02-10Purchase1,022,586.0$18.0
RA Capital Nexus Fund III, L.P.Director2025-02-10Purchase1,022,586.0$18.0
Thompson Peter A.Director2025-02-10Purchase550,000.0$18.0
Atlas Venture Fund XI, L.P.TenPercentOwner2025-02-10Purchase60,000.0$18.0
Atlas Venture Associates XI, LLCTenPercentOwner2025-02-10Purchase60,000.0$18.0
Atlas Venture Associates XI, L.P.TenPercentOwner2025-02-10Purchase60,000.0$18.0
Atlas Venture Opportunity Fund II, L.P.TenPercentOwner2025-02-10Purchase60,000.0$18.0
Atlas Venture Associates Opportunity II, LLCTenPercentOwner2025-02-10Purchase60,000.0$18.0
Atlas Venture Associates Opportunity II, LPTenPercentOwner2025-02-10Purchase60,000.0$18.0
Booth BruceDirector2025-02-10Purchase60,000.0$18.0
ORBIMED ADVISORS LLCDirector2025-02-10Purchase550,000.0$18.0
OrbiMed Capital GP VIII LLCDirector2025-02-10Purchase550,000.0$18.0